package com.asiainfo.dacp.datastash.broker.util;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;

public class HostIpHelper {
	
	public static String getHostIp(){
		try{
			
			Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
			while (allNetInterfaces.hasMoreElements()){
				NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
				Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
				while (addresses.hasMoreElements()){
					InetAddress ip = (InetAddress) addresses.nextElement();
					if (ip != null 
							&& ip instanceof Inet4Address
                    		&& !ip.isLoopbackAddress()
                    		&& ip.getHostAddress().indexOf(":")==-1){
						return ip.getHostAddress();
					} 
				}
			}
		}catch(Exception e){
			e.printStackTrace();
		}
		return null;
	}
}
